For perforating operations in oil and gas wells LLC «Gazprom geofizika» makes good use of modern perforating systems of Russian and foreign manufacturers. Among them are the following perforators:
– multi-use hollow-carrier perforators;
– expendable perforators with removable tape carrier;
– perforator of a destructive type;
– expendable perforator with a removable carrier;
– capsule-type single-action perforators;
– modular perforators lowered on pipes;
– perforators lowered on a logging cable as well as on a producing string hanger and through the producing string.
The perforation systems used have as follows:
– standard charges;
– high-efficiency charges with a large penetration depth;
– charges for making a large inlet hole ( VN-type for hydraulic fracturing).
The perforation systems make it possible to carry out perforating-explosive operations in a wide range of borehole thermobaric conditions.